CN215617189U

CN215617189U - Multi-station rotary table-top type force-control abrasive belt machine

Info

Publication number: CN215617189U
Application number: CN202122153493.0U
Authority: CN
Inventors: 邵其昌; 周全; 任允
Original assignee: Guangdong Evolut Robotics Co ltd
Current assignee: Guangdong Evolut Robotics Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-25
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a multi-station rotary table-top type force control abrasive belt machine, which comprises an installation table, a first table and a second table, wherein the installation table is arranged on the upper surface of the first table; the slewing bearing is provided with an inner ring and an outer ring which are matched in a rotating mode, and the slewing bearing is arranged on the mounting table through the outer ring; the abrasive belt machine upright post is arranged on the inner ring; the belt sander comprises a belt sander assembly, a belt sander support and a belt conveying device, wherein the belt sander assembly is provided with two upright columns which are arranged on the belt sander at intervals; the driving assembly is arranged on the mounting table and connected with the inner ring; the driving assembly drives the inner ring to rotate, and then the abrasive belt machine upright post is driven to rotate relative to the mounting table. The technical scheme of the utility model aims to provide the multi-station rotary table-top type force control abrasive belt machine which can improve the space utilization rate, the processing effect and the product percent of pass.

Description

Multi-station rotary table-top type force-control abrasive belt machine

Technical Field

The utility model relates to the technical field of abrasive belt machines, in particular to a multi-station rotary table-top type force control abrasive belt machine.

Background

The abrasive band machine is used for polishing or burnishing of work piece, fixes on the desktop in the use, through the manual control dynamics of polishing.

When automatic production, fix small-size abrasive band machine on the desktop, the robot presss from both sides and gets work piece and realize polishing or polishing process to abrasive band machine department.

However, in the process of implementing the technical solution of the present invention in the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems:

the abrasive band machine at present only has a station, can only process a product at every turn promptly, and the abrasive band machine is fixed, and adaptability is relatively poor in the course of working, has the unsatisfactory and the lower problem of qualification rate of result of processing.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a multi-station rotary table-top type force control abrasive belt machine, and aims to provide a multi-station rotary table-top type force control abrasive belt machine which improves the space utilization rate, the processing effect and the product percent of pass.

In order to achieve the above object, the utility model provides a multi-station rotary table-top type force control abrasive belt machine for polishing a workpiece, comprising:

an installation table;

the slewing bearing is provided with an inner ring and an outer ring which are matched in a rotating mode, and the slewing bearing is arranged on the mounting table through the outer ring;

the abrasive belt machine upright post is arranged on the inner ring;

the belt sander comprises a belt sander assembly, a belt sander support and a belt conveying device, wherein the belt sander assembly is provided with two upright columns which are arranged on the belt sander at intervals; and

the driving assembly is arranged on the mounting table and connected with the inner ring;

the driving assembly drives the inner ring to rotate, and then the abrasive belt machine upright post is driven to rotate relative to the mounting table.

In one embodiment, the drive assembly comprises:

the cylinder connecting seat is arranged on one side, away from the abrasive belt machine upright post, of the mounting table;

the driving cylinder comprises a first cylinder body and a first piston rod, and the first cylinder body is hinged with the cylinder connecting seat; and

the driving piece is arranged on one side, far away from the abrasive belt machine stand column, of the inner ring and is hinged with the first piston rod;

the driving cylinder drives the driving piece, and then drives the inner ring to rotate.

In one embodiment, the driver comprises:

the connecting piece is arranged on the inner ring; and

the swinging piece is arranged on the connecting piece and provided with two swinging arms, and one swinging arm is hinged with a piston rod of the driving cylinder;

the driving assembly further comprises two limiting parts, the two limiting parts are arranged on two opposite sides of the driving part, the driving cylinder drives the swinging part to further drive the connecting part to rotate, and the swinging arm is abutted against the limiting parts to achieve limiting.

In one embodiment, the stopper includes:

the fixed seat is arranged on the mounting table;

the hydraulic buffer is arranged on the fixed seat; and

the limiting block is arranged on the fixed seat and is arranged at an interval with the oil buffer;

the swing arm is buffered through the oil buffer and is abutted against the limiting block to realize limiting.

In an embodiment, the multi-station rotary table-top type force control belt sander further comprises a universal support ball, wherein the universal support ball is arranged on the mounting table and is in contact with the bottom of the upright post of the belt sander.

In one embodiment, the multi-station rotary table top type force control belt sander further comprises:

the blocking cylinder is arranged on the abrasive belt machine upright post; and

the blocking piece is arranged on the blocking cylinder;

the blocking cylinder drives the blocking piece to be close to or far away from the mounting table.

In one embodiment, the belt sander assembly comprises:

the main force control module is arranged on the abrasive belt machine upright post and is provided with a sliding plate connected with the floating cylinder;

the explosion-proof power module is arranged on the sliding plate and is provided with two output shafts which are in synchronous transmission; and

the grinding assembly of the belt sander is provided with two grinding assemblies which are located on two opposite sides of the explosion-proof power module, and the grinding assemblies of the belt sander are connected with the output shafts in a one-to-one correspondence mode.

In one embodiment, the belt sander grinding assembly comprises:

the connecting frame is arranged on the explosion-proof power module;

the driving wheel module is connected with the output shaft;

the driven wheel module is arranged on the connecting frame;

the tensioning deviation rectifying mechanism is arranged on the explosion-proof power module;

the displacement adjustable floating device is arranged on the connecting frame; and

and the driving wheel module is in transmission connection with the driven wheel module, the tensioning deviation rectifying mechanism and the displacement adjustable floating device through the abrasive belt.

In one embodiment, the displacement adjustable float device comprises:

a mounting seat;

the contact wheel module is arranged at an interval with the mounting seat;

the force control cylinder is connected with the electric proportional valve and comprises a second cylinder body and a second piston rod, the second cylinder body is arranged on the mounting seat, and the second piston rod penetrates through the mounting seat and is connected with the contact wheel module;

the limiting seat is adjustably arranged on the mounting seat and is provided with a sliding groove and an opening communicated with the sliding groove; and

the limiting rod comprises a rod part and a limiting part, the limiting part is positioned in the sliding groove and is in sliding fit along the axis direction, the rod part is in sliding fit with the mounting seat, one end of the rod part is connected with the contact wheel module, and the other end of the rod part penetrates through the opening and is connected with the limiting part;

the limiting part is abutted against the two sides of the sliding groove to limit, and then the moving stroke of the second piston rod is limited.

In one embodiment, the mounting seat is provided with a threaded hole, and the limiting seat comprises:

the sliding groove and the opening are formed in the limiting main body;

the threaded rod is coaxially arranged with the limiting main body and is in threaded fit with the threaded hole to realize position adjustment; and

the connecting rod is arranged at one end, far away from the limiting main body, of the threaded rod;

the displacement-adjustable floating device further comprises a hand wheel, and the hand wheel is connected with the connecting rod.

The technical scheme of the utility model comprises an installation platform, a slewing bearing, an abrasive belt machine upright post, an abrasive belt machine assembly, a driving cylinder and a driving component, wherein the slewing bearing is provided with an inner ring and an outer ring which are in running fit with each other, the slewing bearing is arranged on the installation platform through the outer ring, the abrasive belt machine upright post is arranged on the inner ring, the abrasive belt machine assembly is provided with two abrasive belt machine upright posts which are arranged at intervals, the driving component is arranged on the installation platform and connected with the inner ring, because the technical means that two belt sander assemblies which are arranged at intervals are adopted to realize multi-station processing and the driving component drives the inner ring to rotate so as to drive the upright post of the belt sander to rotate relative to the mounting table, therefore, the problems of low efficiency, poor adaptability and low qualification rate caused by the fact that the belt sander only has one station and is fixed in the prior art are effectively solved, and further, the technical effects of improving the space utilization rate, improving the processing effect and improving the product percent of pass are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a multi-station rotary table-top type force-controlled belt sander according to the present invention;

FIG. 2 is a schematic front view of a multi-station rotary table top type force controlled belt sander according to the present invention;

FIG. 3 is a schematic structural view of a multi-station rotary table-top type force-controlled belt sander according to the present invention;

FIG. 4 is a schematic structural view of the belt sander assembly of the present invention;

FIG. 5 is a schematic structural view of the belt sander assembly of the present invention;

FIG. 6 is a schematic structural diagram of the displacement adjustable floating device according to the present invention;

FIG. 7 is a schematic view of the organ cover hidden in the displacement adjustable floating device according to the present invention;

FIG. 8 is a schematic view of the internal structure of the displacement adjustable floating device according to the present invention;

FIG. 9 is a schematic structural view of a spacing block according to the present invention;

the reference numbers illustrate:

a multi-station rotary table-top force-controlled belt sander 100; a mounting table 10; a slewing bearing 20; an abrasive belt machine upright 30; an abrasive belt machine assembly 40; a main force control module 41; an explosion-proof power module 42; a connecting frame 43; a drive wheel module 44; a driven wheel module 45; a tension deviation correcting mechanism 46; a displacement-adjustable floating device 47; a mount 471; a contact wheel module 472; a force control cylinder 473; a second cylinder 4731; a second piston rod 4732; a limiting seat 474; a spacing body 4741; the sliding groove 4741 a; opening 4741 b; a threaded rod 4742; a connecting rod 4743; a stopper 475; a lever portion 4751; a stopper 4752; a hand wheel 476; an abrasive belt 48; a drive assembly 50; a cylinder connecting base 51; the driving cylinder 52; a drive member 53; a connecting member 531; an oscillating member 532; a swing arm 5321; a stopper 54; a fixed seat 541; the hydraulic shock absorber 542; a limiting block 543; a universal support ball 60; the dam cylinder 71; a stop 72.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a multi-station rotary table-top type force control abrasive belt machine 100 which is used for polishing workpieces.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

In an embodiment of the present invention, as shown in fig. 1, 2 and 3, the multi-station rotary table-top force control belt sander 100 includes a mounting table 10, a slewing bearing 20, a belt sander column 30, a belt sander assembly 40 and a drive assembly 50, wherein the slewing bearing 20 has an inner ring and an outer ring which are rotationally matched, and the slewing bearing 20 is arranged on the mounting table 10 through the outer ring; the abrasive belt machine upright column 30 is arranged on the inner ring; the belt sander assembly 40 is provided with two belt sander columns 30 which are arranged at intervals; the driving assembly 50 is arranged on the mounting table 10 and connected with the inner ring; the driving assembly 50 drives the inner ring to rotate, and further drives the abrasive belt machine upright post 30 to rotate relative to the mounting table 10.

It can be understood that the slewing bearing 20 is a large bearing capable of bearing comprehensive load and can simultaneously bear larger axial and radial load and overturning moment, the outer ring of the slewing bearing 20 is fixed on the mounting table 10, the belt sander upright 30 and the driving assembly 50 are respectively connected with the inner ring of the slewing bearing 20, the belt sander column 30 can rotate relative to the mounting table 10 by driving the inner ring to rotate through the driving assembly 50, in order to adjust the angle of grinding or polishing, the mounting table 10 is provided with a shield which is provided outside the slewing bearing 20 to play a role of dust prevention, and further, two belt sander assemblies 40 are arranged on the belt sander upright column 30, the two belt sander assemblies 40 are arranged at intervals up and down, the same belt sander assembly 40 is provided with one or two processing stations, the utility model can realize simultaneous processing, therefore, the utility model has at least two stations, and the processing efficiency can be improved.

The technical scheme of the utility model comprises an installation table 10, a slewing bearing 20, abrasive belt machine columns 30, abrasive belt machine assemblies 40, a driving cylinder 52 and a driving component 50, wherein the slewing bearing 20 is provided with an inner ring and an outer ring which are in running fit, the slewing bearing 20 is arranged on the installation table 10 through the outer ring, the abrasive belt machine columns 30 are arranged on the inner ring, the abrasive belt machine assemblies 40 are arranged on the abrasive belt machine columns 30 at intervals, and the driving component 50 is arranged on the installation table 10 and connected with the inner ring The processing effect and the product percent of pass are improved.

In the embodiment of the utility model, as shown in fig. 3, the driving assembly 50 comprises a cylinder connecting seat 51, a driving cylinder 52 and a driving piece 53, wherein the cylinder connecting seat 51 is arranged on one side of the mounting table 10 far away from the upright 30 of the belt sander; the driving cylinder 52 comprises a first cylinder body and a first piston rod, and the first cylinder body is hinged with the cylinder connecting seat 51; the driving piece 53 is arranged on one side of the inner ring, which is far away from the upright column 30 of the belt sander, and is hinged with the first piston rod; the driving cylinder 52 drives the driving member 53, thereby rotating the inner ring. The driving cylinder 52 is adopted as the driving force for rotation adjustment, and the device has the characteristics of simple structure and low cost.

In an embodiment of the present invention, as shown in fig. 3, the driving member 53 includes a connecting member 531 and a swinging member 532, wherein the connecting member 531 is provided at the inner ring; the swinging piece 532 is arranged on the connecting piece 531, the swinging piece 532 is provided with two swinging arms 5321, and one swinging arm 5321 is hinged with the piston rod of the driving cylinder 52; the driving assembly 50 further includes two limiting members 54, the two limiting members 54 are disposed on opposite sides of the driving member 53, the driving cylinder 52 drives the swinging member 532 to further drive the connecting member 531 to rotate, and the swinging arm 5321 abuts against the limiting members 54 to achieve limiting.

In the present invention, as shown in fig. 3, the position-limiting members 54 and the swing arms 5321 are in a one-to-one correspondence relationship, when one swing arm 5321 abuts against one position-limiting member 54, the other swing arm 5321 is not in contact with the other position-limiting member 54, and vice versa. The first piston rod has three positions, namely an extending position, an initial position and a retracting position, when the first piston rod is positioned at the initial position, the swing arm 5321 is not in contact with the limiting pieces 54, the two limiting pieces 54 are symmetrically arranged on two opposite sides of the driving piece 53, and the upright post 30 of the belt sander has no angle change relative to the mounting table 10; when the first piston rod is in the extending position, namely the first piston rod drives the swing arm 5321 connected with the first piston rod to be close to and abut against the position of the limiting part 54 corresponding to the first piston rod, and meanwhile, the connecting part 531 connected with the swing part 532 synchronously rotates to drive the upright post 30 of the belt sander to rotate relative to the mounting table 10; when the first piston rod is in the retracted position, that is, the first piston rod drives the swinging member 532, so that the other swinging arm 5321 far away from the first piston rod abuts against the other limiting member 54, and meanwhile, the connecting member 531 connected with the swinging member 532 synchronously rotates to drive the upright post 30 of the belt sander to rotate relative to the mounting table 10, and the rotation direction in the extended position is opposite to the rotation direction in the retracted position.

In the present invention, it is defined that when the first piston rod is in the initial position, i.e. the upright 30 of the belt sander has no angular change relative to the mounting table 10, i.e. 0 °, when the first piston rod is in the extended position, the angle of rotation of the upright 30 of the belt sander relative to the mounting table 10 is +22.5 °, when the first piston rod is in the retracted position, the angle of rotation of the upright 30 of the belt sander relative to the mounting table 10 is-22.5 °

In an embodiment of the utility model, as shown in fig. 3, the limiting member 54 includes a fixing seat 541, an oil buffer 542, and a limiting block 543, wherein the fixing seat 541 is disposed on the mounting table 10; the hydraulic buffer 542 is arranged on the fixed seat 541; the limiting block 543 is disposed on the fixing seat 541, and is spaced apart from the hydraulic buffer 542; the swing arm 5321 is buffered by the oil buffer 542 and abuts against the limit block 543 to achieve limiting. When the swing arm 5321 is driven by the driving cylinder 52 to approach the limiting member 54, the end surface of the swing arm 5321 first contacts the oil buffer 542 to achieve buffering, and finally abuts against the limiting member 543.

In the embodiment of the present invention, as shown in fig. 1 and 2, the multi-station rotary table-top force control belt sander 100 further includes a universal support ball 60, and the universal support ball 60 is disposed on the mounting table 10 and contacts with the bottom of the upright 30 of the belt sander. The universal support balls 60 support the abrasive belt machine upright 30, and the universal support balls 60 can play a role in smoothing and reducing friction force when the abrasive belt machine upright 30 rotates relative to the mounting table 10.

In the embodiment of the utility model, as shown in fig. 1 and fig. 2, the multi-station rotary table-top force control belt sander 100 further comprises a blocking cylinder 71 and a blocking piece 72, wherein the blocking cylinder 71 is arranged on the upright 30 of the belt sander; the stopper 72 is provided in the stopper cylinder 71; the blocking cylinder 71 drives the blocking member 72 closer to or farther from the mounting table 10. When the vertical post 30 of the belt sander is at an initial position or rotates to a specific angle, the blocking cylinder 71 drives the blocking piece 72 to be close to the mounting table 10 and to be in contact with the mounting table 10, so that the limiting effect is achieved, the stability of the vertical post 30 of the belt sander is improved, the shaking is reduced, and when the vertical post 30 of the belt sander needs to rotate, the blocking cylinder 71 drives the blocking piece 72 to move towards one side far away from the mounting table 10.

In the embodiment of the utility model, as shown in fig. 4 and 5, the belt sander assembly 40 comprises a main force control module 41, an explosion-proof power module 42 and a sanding component of a belt sander 48, wherein the main force control module 41 is arranged on the upright 30 of the belt sander, and the main force control module 41 is provided with a sliding plate connected with a floating cylinder; the explosion-proof power module 42 is arranged on the sliding plate, and the explosion-proof power module 42 is provided with two output shafts which are in synchronous transmission; two sanding components of the sanding belt 48 machine are arranged on two opposite sides of the explosion-proof power module 42, and the sanding components of the sanding belt 48 machine are connected with the output shafts in a one-to-one correspondence mode. The main force control module 41 is used for controlling the force of the whole abrasive belt machine assembly 40, a floating cylinder, a sensor, an electromagnetic valve and a proportional valve are arranged in the main force control module, the output force of the floating cylinder is adjusted under the control of the electromagnetic valve and the proportional valve through the stroke of the sensor feedback floating force control, and the main force control module can adapt to the deviation caused by products so as to improve the production efficiency and the qualified rate. Abrasive belt 48 machine components of polishing have two and are driven by the same power, that is, abrasive belt machine assembly 40 has two processing stations, which can provide production efficiency.

In the embodiment of the utility model, as shown in fig. 4 and 5, the sanding component of the abrasive belt 48 machine comprises a connecting frame 43, a driving wheel module 44, a driven wheel module 45, a tension deviation-rectifying mechanism 46, a displacement-adjustable floating device 47 and an abrasive belt 48, wherein the connecting frame 43 is arranged on the explosion-proof power module 42; the driving wheel module 44 is connected with the output shaft; the driven wheel module 45 is arranged on the connecting frame 43; the tensioning deviation rectifying mechanism 46 is arranged on the explosion-proof power module 42; the displacement adjustable floating device 47 is arranged on the connecting frame 43; the driving wheel module 44 is in transmission connection with the driven wheel module 45, the tension deviation correcting mechanism 46 and the displacement adjustable floating device 47 through an abrasive belt 48.

In the embodiment of the present invention, as shown in fig. 6, 7, 8 and 9, the displacement-adjustable floating device 47 includes a mounting seat 471, a contact wheel module 472, a force-controlled cylinder 473, a limiting seat 474 and a limiting rod 475, wherein the contact wheel module 472 is spaced from the mounting seat 471; the force control cylinder 473 is connected with the electric proportional valve, the force control cylinder 473 comprises a second cylinder 4731 and a second piston rod 4732, the second cylinder 4731 is arranged on the mounting seat 471, and the second piston rod 4732 penetrates through the mounting seat 471 and is connected with the contact wheel module 472; the limiting seat 474 is adjustably arranged on the mounting seat 471, and the limiting seat 474 is provided with a sliding groove 4741a and an opening 4741b communicated with the sliding groove 4741 a; the limiting rod 475 comprises a rod portion 4751 and a limiting portion 4752, the limiting portion 4752 is located inside the sliding groove 4741a and is in sliding fit along the axial direction, the rod portion 4751 is in sliding fit with the mounting seat 471, one end of the rod portion 4751 is connected with the contact wheel module 472, and the other end of the rod portion 4751 penetrates through the opening 4741b and is connected with the limiting portion 4752; the stopper 4752 abuts against both sides of the sliding groove 4741a to limit the position, thereby limiting the movement stroke of the second piston rod 4732.

It can be understood that the displacement adjustable floating device 47 is installed on the belt sander assembly 40, and the contact wheel module 472 directly contacts with the abrasive belt 48, the robot or the manipulator clamps the product to be close to the abrasive belt 48, and rubs the product through the abrasive belt 48 to complete the grinding or polishing process, when the product contacts with the abrasive belt 48, the stroke of the second piston rod 4732 of the force control cylinder 473 is fed back by the sensor, and the output force of the force control cylinder 473 is adjusted under the control of the electromagnetic valve and the electric proportional valve, so as to adjust the grinding force, that is, the grinding force is adjusted by adjusting the input air pressure of the force control cylinder 473 through the electric proportional valve; the limit seat 474 and the limit rod 475 function to limit the stroke of the second piston rod 4732, when compressed air is introduced into the force control cylinder 473, the stroke of the second piston rod 4732 is fixed, that is, the moving distance of the contact wheel module 472 connected to the force control cylinder 473 is fixed, but the contact wheel module 472 directly contacts with the abrasive belt 48, the degree of tightness of the abrasive belt 48 on the abrasive belt 48 machine is affected when the stroke of the second piston rod 4732 is too large or too small, the requirements of different sanding processes on the degree of tightness of the abrasive belt 48 are different, that is, the extending stroke of the force control cylinder 473 needs to be limited, otherwise, the sanding effect is affected, therefore, the limit is realized by abutting the limit part 4752 against the two sides of the sliding groove 4741a, the moving stroke of the second piston rod 4732 is further limited, the fit of the abrasive belt 48 on the abrasive belt 48 machine is ensured, further, the limit seat 474 is set to be adjustable, and can be adjusted according to the process requirements or the specification of the abrasive belt 48, the utility model has wider application range.

In the utility model, the displacement adjustable floating device 47 and the main force control module 41 have the same function, and the difference is that the main force control module 41 performs force control adjustment on the whole of the belt sander assembly 40, the displacement adjustable floating device 47 performs force control adjustment on the grinding force at the contact wheel module 472, and the two devices act together to eliminate the difference caused by product deviation, thereby improving the qualified rate.

In the embodiment of the present invention, the mounting seat 471 is opened with a threaded hole, as shown in fig. 8 and 9, the limiting seat 474 includes a limiting body 4741, a threaded rod 4742 and a connecting rod 4743, wherein a sliding groove 4741a and an opening 4741b are opened in the limiting body 4741; the threaded rod 4742 is coaxially arranged with the limiting main body 4741, and the threaded rod 4742 is in threaded fit with the threaded hole to realize position adjustment; the connecting rod 4743 is arranged at one end of the threaded rod 4742 far away from the limiting body 4741; the displacement adjustable floating device 47 further comprises a hand wheel 476, and the hand wheel 476 is connected with the connecting rod 4743.

In the present invention, as shown in fig. 9, the outer shape of the stopper body 4741 is a cylinder, the sliding groove 4741a and the opening 4741b communicate and each penetrate the cylinder in the radial direction, the side of the opening 4741b away from the sliding groove 4741a penetrates to the end surface of the cylinder, and the cross-sectional aperture area of the sliding groove 4741a is larger than the cross-sectional aperture area of the opening 4741b, so that the stopper portion 4752 is movable along the axis within the sliding groove 4741a, but cannot pass through the opening 4741b, and therefore the movement distance of the stopper portion 4752 is limited. Threaded rod 4742 and spacing main part 4741 are coaxial arrangement, and threaded rod 4742 carries out screw-thread fit with the screw hole on the mount pad 471, and through the screw-thread fit who rotates hand wheel 476 in order to drive threaded rod 4742 and screw hole, and then change the position of spacing seat 474, restrict the stroke of power control cylinder 473.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a rotary-type desktop formula force control abrasive band machine of multistation for the work piece of polishing, its characterized in that, the rotary-type desktop formula force control abrasive band machine of multistation includes:

an installation table;

the abrasive belt machine upright post is arranged on the inner ring;

2. A multi-station, rotary-table-top, force-controlled belt sander as set forth in claim 1, wherein said drive assembly comprises:

3. A multi-station, rotary-table-top, force-controlled belt sander as set forth in claim 2, wherein said drive member comprises:

the connecting piece is arranged on the inner ring; and

4. A multi-station, rotary-table-top, force-controlled belt sander as set forth in claim 3, wherein said stop comprises:

the fixed seat is arranged on the mounting table;

the hydraulic buffer is arranged on the fixed seat; and

5. The multi-station rotary-type desktop force-control belt sander of claim 1, further comprising a universal support ball disposed on the mounting table and contacting the bottom of the upright of the belt sander.

6. A multi-station rotary-table-top force-controlled belt sander as set forth in claim 1, further comprising:

the blocking piece is arranged on the blocking cylinder;

7. A multi-station rotary-table top force controlled belt sander as set forth in claim 1, wherein said belt sander assembly comprises:

8. A multi-station, rotary-table-top, force-controlled belt sander as set forth in claim 7, wherein the belt sander grinding assembly comprises: